TikZ/PGF as SVG-graphics

TikZ/PGF as SVG-graphics

[Mikael Öhman]

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I use TikZ for my figures in latex, and I would like to see it supported in 
Pandoc. 
When trying out tex4ht I came across 
\pgfsysdriver{pgfsys-tex4ht.def}
which writes SVG graphics directly from SVG-diagrams. 

This will probably include writing to an external temporary file, compiling 
and extracting the SVG image.
Dealing with text and, presumably much trickier, math, inside the figures 
could be very tricky.

In particular, the tikzpicture-environment, and the inline \tikz{...} would 
allow for a lot of neat graphics.

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Re: TikZ/PGF as SVG-graphics

[🙈 V]

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Mikael Öhman wrote:

> I use TikZ for my figures in latex, and I would like to see it supported 
in Pandoc. 

I doubt that Pandoc will directly support this. If Pandoc supported image 
creation, it would have to be renamed to Panimage ;-) However we should 
agree on a common extension syntax for embedded images. Here is how I do it:

https://github.com/nichtich/ditaa-markdown

For instance with GraphViz images:

~~~~ {.dot .Grankdir:LR} 
digraph { A -> B -> C; A -> C; }
~~~~

The same for Tikz would be:

~~~~ {.tikz}
% your TikZ code
~~~~

It would be nice I Pandoc could be configured to map this annotated code 
sections to different formats - depending on your settings the images would 
be creates as bitmap or as vector file or as raw code, if supported by a 
format. For instance LaTeX supports raw TikZ code:

\begin{tikzpicture}
% your TikZ code
\end{tikzpicture}

But you could also create a PDF file and embed this image.

Anyway, support of one particular image syntax or format (such as TikZ only 
in one direction of conversion) is not the right way to go.

Cheers
Jakob

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Re: TikZ/PGF as SVG-graphics

[Mikael Öhman]

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I never suggest that pandoc would do anything more than parse the 
environment, which is more or less what you are describing as well.
Also, documents contain images, otherwise we'd have to rename it to Pantext 
now wouldnt we? 

I've haven't had time to dig into Pandoc source yet, but something general 
like environments to some specific code would be nice (i assume there is 
something along those lines)
Each environment calls some specific parser, which might be built into 
Pandoc (for figures, tables) or calls graphviz or latex to construct images 
(as PNG or SVG, or just built in).
In the latter case, no code inside the environments should be parsed by 
pandoc itself.

One complication is custom latex commands used within the figures, so a way 
to send preamble data would be necessary.
Also, math inside figures, if exported as SVG. Not sure how mathjax would 
play with that, but mathml should be doable. Somehow.

On Wednesday, April 11, 2012 9:03:00 PM UTC+2, 🙈 V wrote:
>
> Mikael Öhman wrote:
>
> > I use TikZ for my figures in latex, and I would like to see it supported 
> in Pandoc. 
>
> I doubt that Pandoc will directly support this. If Pandoc supported image 
> creation, it would have to be renamed to Panimage ;-) However we should 
> agree on a common extension syntax for embedded images. Here is how I do it:
>

> https://github.com/nichtich/ditaa-markdown
>
> For instance with GraphViz images:
>
> ~~~~ {.dot .Grankdir:LR} 
> digraph { A -> B -> C; A -> C; }
> ~~~~
>
> The same for Tikz would be:
>
> ~~~~ {.tikz}
> % your TikZ code
> ~~~~
>
> It would be nice I Pandoc could be configured to map this annotated code 
> sections to different formats - depending on your settings the images would 
> be creates as bitmap or as vector file or as raw code, if supported by a 
> format. For instance LaTeX supports raw TikZ code:
>
> \begin{tikzpicture}
> % your TikZ code
> \end{tikzpicture}
>
> But you could also create a PDF file and embed this image.
>
> Anyway, support of one particular image syntax or format (such as TikZ 
> only in one direction of conversion) is not the right way to go.
>
> Cheers
> Jakob
>

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